/**
 * Copyright (C) <2021>  <chen junwen>
 * <p>
 * This program is free software: you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * <p>
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * <p>
 * You should have received a copy of the GNU General Public License along with this program.  If
 * not, see <http://www.gnu.org/licenses/>.
 */
package io.mycat.plug.sequence;

import com.imadcn.framework.idworker.algorithm.Snowflake;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Map;
import java.util.Objects;
import java.util.function.Supplier;

public class SequenceSnowflakeGenerator implements Supplier<Number> {
    protected static final Logger LOGGER = LoggerFactory
            .getLogger(SequenceSnowflakeGenerator.class);
    private final Snowflake snowflake;

    public SequenceSnowflakeGenerator(Map<String, Object> config) {
        this.snowflake = Snowflake.create(Long.parseLong(Objects.toString(config.get("workerId"))));
    }

    @Override
    public Number get() {
        return snowflake.nextId();
    }
}